diff --git a/common/content/commands.js b/common/content/commands.js
index 8e888865..8c7a1f92 100644
--- a/common/content/commands.js
+++ b/common/content/commands.js
@@ -372,9 +372,6 @@ function Commands() //{{{
 
     function addCommand(command, isUserCommand, replace)
     {
-        if (!command) // XXX
-            return false;
-
         if (exCommands.some(function (c) c.hasName(command.name)))
         {
             if (isUserCommand && replace)